proguard.analysis.cpa.interfaces.AbstractDomain Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of proguard-core Show documentation

ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.7

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2022 Guardsquare NV
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package proguard.analysis.cpa.interfaces;

/**
 * The {@link AbstractDomain} defines a semilattice over {@link AbstractState}s.
 *
 * @author Dmitry Ivanov
 */
public interface AbstractDomain
{

    /**
     * Computes the join over two abstract states.
     * To guarantee the correct behavior of the algorithm implementations must have no side effects.
     */
    AbstractState join(AbstractState abstractState1, AbstractState abstractState2);

    /**
     * Compares two abstract states.
     */
    boolean isLessOrEqual(AbstractState abstractState1, AbstractState abstractState2);
}